英语词汇“smog”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	smog
释义	smogsmog /smɑg, smɔg/ ●●○ noun [uncountable] Etymology ETYMOLOGYsmog Origin: 1900-2000 smoke + fog Thesaurus THESAURUSsubstances that make air, water, soil, etc. dirty and harmful to humans and other living things► pollution substances that make air, water, soil, etc. dirty and harmful to humans and other living things: Car exhaust emissions are a major source of pollution. ► smog dirty air in cities, caused especially by smoke from cars and trucks: The smog was so bad you couldn’t see the mountains from the city. ► greenhouse gases gases that surround the Earth and stop heat from escaping so that the air around the Earth gradually becomes warmer: The U.S. produces 25% of the world’s greenhouse gases. ► acid rain rain that has harmful acid in it, caused especially by smoke from cars and factories: Acid rain has killed the fish in the lake. ► contamination the fact of being dirty and unsafe to use, because harmful chemicals or other substances are there: Radioactive contamination was detected in the pipes. earth science unhealthy air, often brown in color, caused by gases from cars and smoke from factories, etc. ► see thesaurus at pollution—smoggy adjective
随便看	secret agent secretarial Secretariat secretariat secretary secretary general secretary of state secret ballot secrete secretion secretive secretively secretiveness secretly secret police secret service secret society sect sectarian sectarianism section sectional sectionalism sector secular

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